1426891426 has 8 divisors (see below), whose sum is σ = 2141585964. Its totient is φ = 713029440.

The previous prime is 1426891399. The next prime is 1426891441. The reversal of 1426891426 is 6241986241.

It can be written as a sum of positive squares in 2 ways, for example, as 1281568401 + 145323025 = 35799^2 + 12055^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 203835 + ... + 210718.

Almost surely, 2^1426891426 is an apocalyptic number.

1426891426 is a deficient number, since it is larger than the sum of its proper divisors (714694538).

1426891426 is a wasteful number, since it uses less digits than its factorization.

1426891426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416276.

The product of its digits is 165888, while the sum is 43.

The square root of 1426891426 is about 37774.2164180807. The cubic root of 1426891426 is about 1125.8062174213.

The spelling of 1426891426 in words is "one billion, four hundred twenty-six million, eight hundred ninety-one thousand, four hundred twenty-six".